CN103610225A - Feeding method in processes of tobacco leaf threshing and re-drying - Google Patents
Feeding method in processes of tobacco leaf threshing and re-drying Download PDFInfo
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- CN103610225A CN103610225A CN201310675753.8A CN201310675753A CN103610225A CN 103610225 A CN103610225 A CN 103610225A CN 201310675753 A CN201310675753 A CN 201310675753A CN 103610225 A CN103610225 A CN 103610225A
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- feed liquid
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- moisture regain
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Abstract
The invention relates to a feeding method in processes of tobacco leaf threshing and re-drying. Feed liquid is selected according to quality characteristics of tobacco leaves and added into a moisture regain section of a re-drying machine according to the 0.4% proportion of tobacco leaf weight, high-pressure water is used for carrying the feed liquid to be sprayed on the tobacco leaves of the moisture regain section after sprayer nozzle atomizing, and the temperature at the moisture regain section is controlled to be 55-65 DEG C. The feeding method is even in feeding, high in feed liquid utilization rate and good in feeding effect and keeps a biological agent active, and therefore the purposes that tobacco leaves are safely stored, the quality of the tobacco leaves is improved, and use value of the tobacco leaves is improved are achieved. The feeding is performed on the moisture regain section of the re-drying machine, so that feeding evenness and tobacco lamina safety are guaranteed.
Description
Technical field
The present invention relates to a kind of method of adding biologic product in tobacco business tobacco threshing and redrying process, improve quality of tobacco defect, promote using value of tobacco leaf raw material.
Background technology
Tobacco redrying is reinforced is in beating and double roasting production process, feed liquid is applied to the surface of material accurately, uniformly, and is fully absorbed by material, thereby performance feed liquid is in the effect improving aspect quality of tobacco defect, promotes using value of tobacco leaf raw material.Its objective is the inherent quality defect of covering targetedly tobacco leaf, reinforced material and the composition of tobacco leaf own are reacted in alcoholization process, improve quality of tobacco, thereby improve the availability of tobacco leaf.In recent years, add biologic product and improve raw material use value technology and become ripe, to alleviating or eliminating the assorted gas of tobacco leaf, improve mouthfeel, improve below average tobacco leaf use value and have obvious effect, much in production of cigarettes processes, be widely applied.
The research of feeding technique is mainly comprised to the research and development of charging (feeding) equipment both at home and abroad, the optimization of charging technology technical parameter, the exploitation of functional spices and the application aspect raising tobacco leaf use value etc.Mostly be that the critical process of producing for cigarette primary processing is carried out, for beating and double roasting charging technology, rarely seen report is studied in optimization.Present domestic cigarette enterprise is generally taked feed way in beating and double roasting production process: secondary tobacco leaf moisting machine feeds in raw material, beat leaf after leaf storing cabinet feed in raw material, redrying machine outlet feeds in raw material.
All there is deficiency in various degree in three kinds of modes: although 1. the reinforced feed liquid uniform absorption feed liquid effective rates of utilization of two tobacco leaf moisting machines are lower, test shows, feed liquid effective rate of utilization is 70%-80%.Because in reinforced and material conveying process, part feed liquid sticks in the inwall of charger or transmission equipment or discharges from the humidity discharging system of charger, cause the loss of feed liquid, make the actual ratio that applies of feed liquid lower than the feed ratio of product design, blade disperses inequality to cause the reinforced uniformity poor; 2. after beating leaf, leaf storing cabinet feeds in raw material, and reinforced feed liquid fully absorbs in storage process in leaf storing cabinet, evenly reinforced, save feed liquid, during still through redrying machine dryer section, feed liquid is volatilized after meeting high temperature, biologic product class feed liquid particularly, the biologically active of feed liquid is suppressed, the reinforced effect of impact; 3. roasting machine outlet is fed in raw material, and feed liquid applies in process and causes moisture to increase, and water uniformity is wayward simultaneously, easily causes local moisture to surpass storage request, smoked sheet occurs and go mouldy, and brings about great losses.
Summary of the invention
The object of the invention is to solve existing reinforced inhomogeneous in beating and double roasting process, feed liquid utilization rate is low, can not fully keep the deficiencies such as biologic product activity, and the charging process in a kind of tobacco threshing and redrying process is provided.
In order to achieve the above object, the present invention adopts following technical scheme to realize:
Charging process in a kind of tobacco threshing and redrying process, for quality of tobacco characteristic, select feed liquid, according to 0.4% ratio of tobacco leaf weight, in the moisture regain section of redrying machine, add feed liquid, with water under high pressure, carry the tobacco leaf that feed liquid is sprayed onto moisture regain section after shower nozzle atomization, moisture regain section temperature is controlled at 55 ℃-65 ℃.
Described feed liquid is mainly by biological complex enzyme preparation (one or more in carbohydrase, cellulase, neutral proteinase etc.), enzymatic protective reagent (routine), solvent pure water, and concentration is calculated with Baume degrees, and scope is: 0.99-1.10.Described water under high pressure pressure is at 3 ± 2Mpa, feed liquid dilute with water, and the ratio of feed liquid and water is 1:1, according to flow, implements to add, after adding, tobacco leaf moisture control is at (12 ± 0.5) %.
The ，Yi district, moisture regain Duan Fenliangge district of described redrying machine adopts upper air inlet form, by circulating fan, makes appropriate steam and atomization feed liquid circulation (wind speed is 0.4m/s-0.7m/s, and relative humidity remains on 95%-98%), continuous heating and moistening blade; 2nd district adopt lower air intake form, reinforced Yi district.Feed liquid and water are by high-pressure pump and nozzle atomization, and atomization feed liquid is along with circulating in tobacco leaf of wind penetrates, and tobacco leaf can effectively absorb feed liquid in resurgence process.
Described water under high pressure addition is controlled by high-pressure pump rotating speed, and constantly automatically adjusts with moisture change after redrying, with moisture content in leaves after keeping redrying within acceptability limit.High-pressure pump speed feedback signal becomes voltage or current signal, automatically regulates the aperture of feed liquid by-pass valve control according to voltage or current signal, controls the feed liquid quantity adding, and reaches the object that evenly adds feed liquid.
Good effect of the present invention:
1. the present invention makes full use of redrying machine moisture regain section and can add the wet feature of temperature control, and in moisture regain, one district is reinforced.Redrying machine moisture regain Duan Fenliangge district, one district adopts upper air inlet form, 2nd district adopt lower air intake form, the temperature in each district, quantity of steam, the water yield can be distinguished control automatically, particularly adopt high-pressure plunger pump water adding, more than pressure reaches 4MPa, atomizing effect is good, evenly reinforced, can automatically control amount of water according to moisture.Project investment is little, utilization rate is high.
2. the present invention is reinforced from redrying machine moisture regain section, by high-pressure pump, feed liquid is applied on blade, and feed liquid absorbs fully, and feed liquid utilization rate reaches more than 90%.Suitable charge temperature, has guaranteed that biologic product is active, thereby evenly reinforced assurance storage moisture reaches safe storage, has effectively improved reinforced effect.Reached and improved quality of tobacco, improved the object of tobacco leaf use value.
3. compare fragrance matter and harmony has clear improvement with reinforced before redrying; Sophistication and the conglobation property of fragrance are significantly improved; Excitant, sugariness and clean level all have clear improvement.
The inventive method have reinforced evenly, feed liquid utilization rate is high, keep biologic product active, reinforced effective advantage, thus reach safe storage, improve quality of tobacco, improve the object of tobacco leaf use value.The present invention, by reinforced in roasting machine moisture regain section, guarantees reinforced all even cigarette safety.
Accompanying drawing explanation
The reinforced fundamental diagram of Fig. 1 redrying machine moisture regain section;
Fig. 2 B
2f is principal component analysis (PCA) figure after reinforced before roasting and moisture regain section reinforced processing;
Fig. 3 C
3f is principal component analysis (PCA) figure after reinforced before roasting and moisture regain section reinforced processing.
The specific embodiment
Below in conjunction with specific embodiment, further illustrate.
Embodiment 1
1. according to former cigarette mass property and formula demand, select feed liquid, select adaptive feed liquid (as biologic product, specifically to consist of: neutral proteinase 2wt ‰; Cellulase 5wt ‰; Carbohydrase 4wt ‰; Melanoid 8.9wt%; Tobacco leaf prior fermentation extract 20wt%; Pure water 70wt%), determine the ratio that applies: feed liquid: tobacco leaf=40kg:10000kg.
2. according to feed concentration and high-pressure water tank volume, calculating the concentration that joins the feed liquid in tobacco leaf is 0.4%, according to feed liquid in concentration preparation fluid reservoir.
3. utilize the existing piston high-pressure pump of redrying machine and high-pressure nozzle system to feed in raw material, reinforced in the moisture regain section of redrying machine, with 4MPa water under high pressure, carry the tobacco leaf that feed liquid is sprayed onto moisture regain section after shower nozzle atomization, moisture regain section temperature is controlled at 55 ℃-65 ℃.
High-pressure pump rotating speed with redrying after moisture change constantly automatically adjust, with moisture content in leaves after keeping redrying within acceptability limit.
5. speed feedback signal becomes voltage or current signal, automatically regulates the aperture of feed liquid by-pass valve control according to voltage or current signal, controls the feed liquid quantity adding, and reaches the object that evenly adds feed liquid.
Reinforced test
1. content of the test
Feed way and roasting machine moisture regain section feed way Contrast on effect before roasting.
2. reagent and instrument
Shandong B in 2011
2f and C
3f grade tobacco leaf;
Reinforced feed liquid, 187 yuan/kg;
Odor intelligent analyzer (Electronic Nose) (ALPHA M.O.S Fox4000 type).
3. test method
To Shandong B in 2011
2f and C
3f grade tobacco leaf bakes respectively front feed way and roasting machine moisture regain section feed way is processed.Test is processed in Table 1.
Table 1 test is processed
4. interpretation of result
4.1 performance analysis
According to former cigarette mass property and formula demand, the former cigarette of 10t needs to add feed liquid 40kg in theory, when in process, sample is by feed liquid uniform fold, and the actual reinforced 45.6kg of roasting front feed way, feed liquid utilization rate is 87.7%; The actual reinforced 43.4kg of roasting machine moisture regain section feed way, feed liquid utilization rate is 92.2%.
Cost savings: (45.6kg/10t-43.4kg/10t) * 187 yuan/kg=411.4 unit/10t.
Be every processing 10t tobacco leaf, moisture regain section feed way is saved 411.4 yuan of feed liquid costs than feed way before roasting, and feed liquid utilization rate obviously improves simultaneously.
4.2 process the fragrance analysis of rear sample
Odor intelligent analyzer (Electronic Nose) for the fragrance matter of tobacco sample (ALPHA M.O.S Fox4000 type) is analyzed, adopted the statistical method deal with data of principal component analysis (PCA), PCA analyzes the results are shown in Figure 2, Fig. 3.
In Fig. 2, left side polygon is the reinforced B processing before roasting
2f fragrance matter PCA figure, the B after the right polygon is processed for moisture regain section is reinforced
2f fragrance matter PCA figure.As can be seen from the figure, " table is fragrant " that the roasting front sample that feeds in raw material processing shows is inhomogeneous, and fluctuation is relatively large, and through the more homogeneous of section odor characteristic that the sample feeding in raw material after processing shows that gets damp again.Illustrate that after moisture regain section reinforced processing, reinforced effect is more even, covers or combine the fluctuation that table is fragrant, force the common fragrance of the fragrant increase of pipe tobacco table.In addition, discrimination index=85, show that, after the reinforced processing of moisture regain section, " table is fragrant " that pipe tobacco evaporates larger change has occurred.
In Fig. 3, below polygon is the reinforced C processing before roasting
3f fragrance matter PCA figure, the C after top polygon is processed for moisture regain section is reinforced
3f fragrance matter PCA figure.As can be seen from the figure, the trend of Fig. 3 and Fig. 2 is identical, the point that the fragrant analysis chart of sample table before roasting after reinforced processing gathers is relatively dispersed, and through the sample odor characteristics that moisture regain section is reinforced after processing the more homogeneous that becomes, two kinds of feed way process after the odor characteristic difference of samples more obvious.
4.3 sample aesthetic qualities analyze
Roasting front feed way and moisture regain section feed way are processed rear sample aesthetic quality in Table 2.As can be seen from the table, Shandong B
2f and C
3before F grade tobacco leaf is roasting after roasting machine moisture regain section is reinforced, reinforced fragrance matter and harmony have clear improvement; Sophistication and the conglobation property of fragrance are significantly improved; Excitant, sugariness and clean level all have clear improvement.B
2f improves 6 minutes through the reinforced score of processing of moisture regain section, C
3f improves 5 minutes through the reinforced score of processing of moisture regain section.
Result of the test shows that roasting machine moisture regain section reinforcedly can obviously save feed liquid consumption, improves feed liquid utilization rate, save feed liquid cost, increases the reinforced uniformity, improves reinforced effect.
Table 2 sample sensory quality assessment
Claims (3)
1. the charging process in a tobacco threshing and redrying process, it is characterized in that, for quality of tobacco characteristic, select feed liquid, according to 0.4% ratio of tobacco leaf weight, in the moisture regain section of redrying machine, add feed liquid, with water under high pressure, carry the tobacco leaf that feed liquid is sprayed onto moisture regain section after shower nozzle atomization, moisture regain section temperature is controlled at 55 ℃-65 ℃.
2. the charging process in a kind of tobacco threshing and redrying process according to claim 1, is characterized in that, described feed liquid is blended together by biological complex enzyme preparation, enzymatic protective reagent, solvent pure water, and concentration be take Baume degrees computer capacity as 0.99-1.10.
3. the charging process in a kind of tobacco threshing and redrying process according to claim 1, is characterized in that, described water under high pressure pressure is at 3 ± 2Mpa, feed liquid dilute with water, the ratio of feed liquid and water is 1:1, according to flow, implements to add, and after adding, rear tobacco leaf moisture control is 12 ± 0.5%.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104323414A (en) * | 2014-11-07 | 2015-02-04 | 中国烟草总公司郑州烟草研究院 | Method for improving moisture uniformity of threshed and redried tobacco material |
| CN105054275A (en) * | 2015-07-08 | 2015-11-18 | 福建武夷烟叶有限公司 | Threshing redrying charging flavouring technology |
| CN110742296A (en) * | 2019-09-16 | 2020-02-04 | 内蒙古昆明卷烟有限责任公司 | Tobacco processing method and system |
| CN110742300A (en) * | 2019-09-16 | 2020-02-04 | 内蒙古昆明卷烟有限责任公司 | Tobacco fermentation treatment method and system |
| CN112772960A (en) * | 2021-02-05 | 2021-05-11 | 河南中烟工业有限责任公司 | Leaf moistening method for keeping neutral aroma substances of flue-cured tobacco |
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| CN105054275A (en) * | 2015-07-08 | 2015-11-18 | 福建武夷烟叶有限公司 | Threshing redrying charging flavouring technology |
| CN110742296A (en) * | 2019-09-16 | 2020-02-04 | 内蒙古昆明卷烟有限责任公司 | Tobacco processing method and system |
| CN110742300A (en) * | 2019-09-16 | 2020-02-04 | 内蒙古昆明卷烟有限责任公司 | Tobacco fermentation treatment method and system |
| CN112772960A (en) * | 2021-02-05 | 2021-05-11 | 河南中烟工业有限责任公司 | Leaf moistening method for keeping neutral aroma substances of flue-cured tobacco |
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| CN103610225B (en) | 2015-06-03 |
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